Computer Science – Performance
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7453e..12w&link_type=abstract
Infrared Spaceborne Remote Sensing and Instrumentation XVII. Edited by Wallace, Kotska; Wright, Nigel; Spilling, David; Ward, K
Computer Science
Performance
Scientific paper
EarthCARE, the third of ESA's Earth Explorer Core Missions, is aimed at improving the understanding of interactions between clouds, aerosols and radiation - three factors believed to be important in the understanding of global warming. The Broadband Radiometer instrument will serve to confirm the radiated energy estimates which will be derived from the profiles of clouds and aerosols measured by the other instruments on the satellite. The BBR instrument will use 3 arrays of uncooled microbolometers to measure the Top Of the Atmosphere flux in 2 channels (0.2μm - 4μm, 0.2μm - 50μm), simultaneously in 3 directions (nadir, forward and backward). The long wave channel will be inferred from subtraction of the short wave from the total wave measurements. This paper will describe the status of the BBR instrument design, trade-offs and performance. A novel design is required to perform at much higher spatial resolutions than previous Earth Radiation Budget instruments and the method of achieving this will be described.
Caldwell Martin
Spilling David
Wallace Kotska
Ward Kim
Wright Nigel
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